[jbosstools-issues] [JBoss JIRA] Created: (JBIDE-2090) ConcurrentModificationException occurs during the Seam validation

[Snjezana Peco (JIRA)]

ConcurrentModificationException occurs during the Seam validation
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                 Key: JBIDE-2090
                 URL: http://jira.jboss.com/jira/browse/JBIDE-2090
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: Seam
    Affects Versions: 2.1.0.beta1
         Environment: I got the exception a few times on Linux, but I am not sure if this is a Linux specific issue
            Reporter: Snjezana Peco


Sometimes when executing the Seam validation, I get ConcurrentModificationException.

Steps to reproduce:

- create a large Seam project (as described in http://jira.jboss.com/jira/browse/JBIDE-1105#action_12394448 , for instance)
- open a few files in the VPE editor 
- select the WebContent directory and choose Source>Format
- edit  files during the Seam validation

Stack trace:

java.util.ConcurrentModificationException
        at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
        at java.util.AbstractList$Itr.next(AbstractList.java:343)
        at org.jboss.tools.common.model.util.TypeInfoCollector.getProperties(TypeInfoCollector.java:843)
        at org.jboss.tools.common.model.util.TypeInfoCollector.getPropertyPresentations(TypeInfoCollector.java:883)
        at org.jboss.tools.seam.internal.core.el.SeamELCompletionEngine.resolveSeamELOperand(SeamELCompletionEngine.java:620)
        at org.jboss.tools.seam.internal.core.el.SeamELCompletionEngine.resolveSeamELOperand(SeamELCompletionEngine.java:330)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateElOperand(SeamELValidator.java:293)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateEl(SeamELValidator.java:271)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateString(SeamELValidator.java:260)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateNodeContent(SeamELValidator.java:240)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateChildNodes(SeamELValidator.java:221)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateChildNodes(SeamELValidator.java:225)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateChildNodes(SeamELValidator.java:225)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateDom(SeamELValidator.java:194)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validateFile(SeamELValidator.java:153)
        at org.jboss.tools.seam.internal.core.validation.SeamELValidator.validate(SeamELValidator.java:106)
        at org.jboss.tools.seam.internal.core.validation.SeamValidatorManager.validate(SeamValidatorManager.java:79)
        at org.jboss.tools.seam.internal.core.validation.SeamValidatorManager.validateInJob(SeamValidatorManager.java:64)
        at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:75)
        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)



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